Some Considerations in Spectroelectrochemical Evaluation of Homogeneous Electron Transfer Involving Biological Molecules
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American Chemical Society
Original Item ID
Potential-step chronoabsorptometry was used to measure the rate of the second-order homogeneous electron transfer between horse heart cytochrome c and methyl viologen radical. A rate constant of 1.0 X 106 ± 0.3M-1sec-1 was obtained at pH 7.2. Theoretical and experimental considerations affecting the measurement of rate constants are discussed. These include the deconvolution of time-dependent spectra and the influence of concentration and diffusion coefficient ratios.
Ryan, Michael D. and Wilson, George S., "Some Considerations in Spectroelectrochemical Evaluation of Homogeneous Electron Transfer Involving Biological Molecules" (1975). Chemistry Faculty Research and Publications. 419.